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require 'test/unit'
class TestAutoload < Test::Unit::TestCase
def test_basic_autoload
assert_equal(nil, Object.autoload("Autoloaded", "#{File.dirname(__FILE__)}/autoloaded.rb"))
assert(Object.const_defined?("Autoloaded"))
assert_nil(Object.autoload?("Object::Autoloaded"))
assert_equal("#{File.dirname(__FILE__)}/autoloaded.rb", Object.autoload?("Autoloaded"))
assert_equal(Class, Object::Autoloaded.class)
# This should not really autoload since it is set for real
Object.autoload("Autoloaded", "#{File.dirname(__FILE__)}/autoloaded2.rb")
assert_equal(Class, Object::Autoloaded.class)
# Set versus load (will not perform autoload)
Object.autoload("Autoloaded2", "#{File.dirname(__FILE__)}/autoloaded3.rb")
Object.class_eval "Autoloaded2 = 3"
assert_equal(3, Object::Autoloaded2)
Object.autoload("Autoloaded4", "#{File.dirname(__FILE__)}/autoloaded4.rb")
assert_equal(3, Object::Autoloaded4)
Object.autoload("Autoloaded5", "#{File.dirname(__FILE__)}/autoloaded5.rb")
assert_nothing_raised { require "#{File.dirname(__FILE__)}/autoloaded5.rb" }
Object.autoload("Autoloaded6", "#{File.dirname(__FILE__)}/autoloaded6.rb")
assert_nothing_raised { Object.__send__(:remove_const, :Autoloaded6) }
assert_raises(NameError) { Object::Autoloaded6 }
end
def test_overwrite_autoload
assert_raise(LoadError) do
Object.class_eval <<-EOS
autoload :SomeClass, 'somefile'
class SomeClass; def foo; true; end; end
EOS
end
end
end
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